For more information, please visit the product page. date 05/03/2013 page 1 of 3 MODEL: CMT-1203-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER FEATURES • low current • side sound port • externally driven RoHS SPECIFICATIONS parameter conditions/description min typ operating voltage current consumption at 5 Vp-p, 4,000 Hz square wave sound pressure level at 10 cm, 5 Vp-p, 4,000 Hz square wave electrostatic capacity at 120 Hz/1 V dimensions Vp-p 5 mA 12 x 12 x 3 Hz 81 11,200 dB 16,000 20,800 pF mm weight material L.C.P. (black) terminal SMT type (Sn plating) operating temperature storage temperature Note: units 25 4,000 rated frequency RoHS max 0.5 g -40 120 °C -40 120 °C max units 260 °C yes Add suffix “-TR” to the model for tape & reel packaging SOLDERABILITY parameter conditions/description reflow soldering see reflow solder profile min ˣ˸˴˾ʳ˧˸̀̃ ˅ˉ˃̓˖ ˅ˈˈ̓˖ ˅˃̑ˇ˃ʳ̆˸˶ ˅˄ˊ̓˖ ̓˖ ˅˃˃̓˖ ˄ˈ˃̓˖ ˉ˃̑˄ˋ˃̆˸˶ ˧˼̀˸ʳˮ̆˸˶˰ cui.com ˉ˃̑˄ˈ˃̆˸˶ typ For more information, please visit the product page. CUI Inc │ MODEL: CMT-1203-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/03/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm[inch] tolerance: ±0.3 mm 3.0 0.118 12.0 0.472 1.9 0.075 12.0 0.472 0.6 0.024 6.5 0.256 10.0 0.394 0.9 0.035 2.1 0.083 6.0 0.236 (2 PLCS) 4.0 0.157 3.0 0.118 (2 PLCS) 1.3 0.051 15.0 0.591 PCB LAYOUT Top View FREQUENCY RESPONSE CURVE 90 80 dB 70 60 50 40 20 200 Hz cui.com 2K 20K For more information, please visit the product page. CUI Inc │ MODEL: CMT-1203-SMT │ DESCRIPTION: PIEZO BUZZER TRANSDUCER date 05/03/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 06/01/2010 1.01 updated part number, added TR package option, applied new spec template 05/03/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.